Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 5,596	$ 4,131
Accounts receivable, net	44,654	27,584
Inventories, net	22,039	18,360
Income tax receivable	2,504	2,026
Prepaid expenses and other current assets	3,989	4,377
Total current assets	78,782	56,478
Right of use asset	3,985	2,754
Property, plant and equipment, net	74,613	74,052
Goodwill	17,376	17,376
Intangibles, net	10,542	11,516
Other non-current assets	3,132	3,332
Total Assets	188,430	165,508
Current liabilities:
Current portion of long-term debt	3,352	2,535
Revolving debt	200	420
Accounts payable	26,423	16,994
Taxes payable	2,209	2,613
Contract liability	5,367	1,319
Compensation and related benefits	9,140	8,305
Accrued other liabilities	4,998	3,809
Total current liabilities	51,689	35,995
Other non-current liabilities	3,648	2,560
Long-term debt	23,243	25,198
Post retirement benefits liability	7,747	7,823
Total Liabilities	86,327	71,576
Commitments and Contingencies	0	0
Stockholders’ Equity:
Preferred stock — $0.01 par value, authorized shares — 10,000,000; no shares outstanding at June 30, 2021 and December 31, 2020	0	0
Common stock — $0.01 par value, authorized shares – 20,000,000; outstanding shares 8,040,748 at June 30, 2021 and 7,980,516 at December 31, 2020	80	80
Paid-in capital	36,931	36,127
Accumulated other comprehensive income, net of income taxes	$ 1,247	$ 1,375
Treasury stock (in shares)	3,814,802	3,810,929
Treasury stock - at cost, 3,814,802 shares at June 30, 2021 and 3,810,929 shares at December 31, 2020	$ (28,568)	$ (28,521)
Retained earnings	92,413	84,871
Total Stockholders’ Equity	102,103	93,932
Total Liabilities and Stockholders’ Equity	$ 188,430	$ 165,508